Super Sudoku 9x9 a Very Hard Sudoku Puzzle Book with 320 Puzzles Vol-1
Subtitle: The Brain-Bending Puzzles in This Book Will Push You to Your Limits, but with 9x9 Grids, They're the Largest Puzzles Possible
Publisher: Independently Published
Published: 2021
Language: eng
ISBN-13: 9798732608977